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Automotive Service Fundamental - Part 2: Basic Electrical

  • Matt Howell
  • Feb 4, 2020
  • 1 min read

Basic Electricity Functional - Part 2: AC vs DC



This lesson covers basic electricity functional difference between AC & DC in general that you should be aware and understand before going into automotive electrical lessons.


NOTE: Automotive Electric are in DC




AC vs DC


Here are two main type of electric you should be aware of:


AC (Alternating Current): an electric current which periodically reverses flow directions.


DC (Direct Current): an electric current with ONE direct flow.



WHAT USES AC or DC?


AC:






  • Building Outlets

  • Building Light Bulbs


DC:





  • TV

  • Computer

  • Anything that uses battery


AC vs DC CHART

AC Converts to DC

The main purpose of adapter plug is to convert from wall outlet AC to specific DC before it reaches to device.








How does that work?



Components inside adapters:



The convert of current as it goes through the adapter:



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